diff options
Diffstat (limited to 'libc/sysdeps/linux/common/gethostname.c')
-rw-r--r-- | libc/sysdeps/linux/common/gethostname.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/gethostname.c b/libc/sysdeps/linux/common/gethostname.c new file mode 100644 index 000000000..8fc14ff32 --- /dev/null +++ b/libc/sysdeps/linux/common/gethostname.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <string.h> +#include <unistd.h> +#include <sys/utsname.h> +#include <errno.h> + +libc_hidden_proto(gethostname) + +/* Experimentally off - libc_hidden_proto(strlen) */ +/* Experimentally off - libc_hidden_proto(strcpy) */ +libc_hidden_proto(uname) + +int +gethostname(char *name, size_t len) +{ + struct utsname uts; + + if (name == NULL) { + __set_errno(EINVAL); + return -1; + } + + if (uname(&uts) == -1) return -1; + + if (strlen(uts.nodename)+1 > len) { + __set_errno(EINVAL); + return -1; + } + strcpy(name, uts.nodename); + return 0; +} +libc_hidden_def(gethostname) |